Identify a gap in abnormal psychology research and begin to develop a basic research question to address the identified gap.

Identify a gap in abnormal psychology research and begin to develop a basic research question to address the identified gap. Here are the (5) articles to develop the research question and find a gap

1. Simply Psychology
2. Psychological Disorder: What Makes a Behavior Abnormal 
3.Cognitive processing therapy for veterans with PSTD: A comparison between outpatient and residential treatment.
4.Stressful life events in Bipolar I and Bipolar II Disorders: Cause or Consequence of mood symptoms? 
5. The Efficacy and Effectiveness of Psychological Treatments for Mood, Anxiety and Related Disorders.